Frequencies for first 10,000 rows of numoccs variable in vehicle dataset :

  number of |
  occupants |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         36        0.36        0.36
          1 |      6,894       68.94       69.30
          2 |      1,965       19.65       88.95
          3 |        567        5.67       94.62
          4 |        288        2.88       97.50
          5 |        139        1.39       98.89
          6 |         45        0.45       99.34
          7 |         26        0.26       99.60
          8 |          7        0.07       99.67
          9 |          3        0.03       99.70
         10 |          1        0.01       99.71
         11 |          2        0.02       99.73
         12 |          3        0.03       99.76
         14 |          1        0.01       99.77
         15 |          1        0.01       99.78
         17 |          1        0.01       99.79
         18 |          1        0.01       99.80
         36 |          1        0.01       99.81
         43 |          1        0.01       99.82
         46 |          1        0.01       99.83
         99 |         17        0.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016